Pith. sign in
Pith Number

pith:UMFIVPJH

pith:2008:UMFIVPJHEUDUFHKGA5LFSI6TOE
not attested not anchored not stored refs pending

Friedmann branes with variable tension

L\'aszl\'o \'A. Gergely

arxiv:0806.3857 v3 · 2008-06-24 · gr-qc · astro-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UMFIVPJHEUDUFHKGA5LFSI6TOE}

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Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T15:30:18.257822Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a30a8abd272507429d4607565923d3713f58d591a44de46bdd49484f53c5786d

Aliases

arxiv: 0806.3857 · arxiv_version: 0806.3857v3 · doi: 10.48550/arxiv.0806.3857 · pith_short_12: UMFIVPJHEUDU · pith_short_16: UMFIVPJHEUDUFHKG · pith_short_8: UMFIVPJH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UMFIVPJHEUDUFHKGA5LFSI6TOE \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a30a8abd272507429d4607565923d3713f58d591a44de46bdd49484f53c5786d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "49280f5d454aa06e392ddb7ecd4da1a3ebefb79dc2a89a606a6750b7675e51ab",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-06-24T12:31:37Z",
    "title_canon_sha256": "36cfcf2eb8a08b3882cb2f4dec8ea52bfde21bbfe64100558da57ffb775dd4e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3857",
    "kind": "arxiv",
    "version": 3
  }
}